Nitinol with one kind of barbed artificial intramedullary Total wrist prosthesis

The present invention discloses a nickel-titanium alloy with one kind of barbed artificial intramedullary Total wrist prosthesis, comprising a fixed body and a hemispherical canal connecting body, the fixed body and a hemispherical canal by the linker memory alloy; the canal includes two fixed memory alloy sheet coupled to a front end, a front end connected to the shape memory alloy sheet forming two hemispherical grooves are cut on the two memory alloy sheet and a plurality of fins thermoplastic; the hemisphere hemisphere shaped connector receiving recess of the inner hemispherical, hemispherical front end of the connecting body is fixed is provided with a first screw, the second and third metacarpal bone screw fixed body, the fixed body side surface of the third metacarpal bone cut and a plurality of inverted thermoplastic thorn-shaped projections; the first screw and said second screw is cut through both grooves, a first screw connection body and the groove of the lunate bone, the second screw connection body and the scaphoid bone trapezoid; the artificial Total wrist prosthesis made of nitinol, is mounted securely with good stability.